Why are UK airports so poor at dealing with snow?

[ahlam1399]

http://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBJDOXf.img?h=100&w=100&m=6&q=60&o=f&l=fStockholm-Arlanda, Sweden?s largest airport, has never once shut because of snow.

أكثر... (http://www.msn.com/en-ca/travel/news/why-are-uk-airports-so-poor-at-dealing-with-snow/ar-BBJCrum?srcref=rss)